/* USER CODE BEGIN Header */
/**
 ******************************************************************************
 * @file           : main.c
 * @brief          : Main program body
 ******************************************************************************
 * @attention
 *
 * Copyright (c) 2025 STMicroelectronics.
 * All rights reserved.
 *
 * This software is licensed under terms that can be found in the LICENSE file
 * in the root directory of this software component.
 * If no LICENSE file comes with this software, it is provided AS-IS.
 *
 ******************************************************************************
 */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "dma.h"
#include "usart.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "command.h"
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
uint8_t readBuffer[10];
/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */
char message[20] = "hello world\r\n";
char receive[50];
uint8_t readBuffer[10];
/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size)
{
  if (huart == &huart1)
  {
    Command_Write(readBuffer, Size);
		HAL_UARTEx_ReceiveToIdle_IT(&huart1, readBuffer, sizeof(readBuffer));
    // HAL_UART_Transmit_DMA(&huart1, receive, Size);
    // if (receive[0] == 0xAA)
    // {
    //   if (receive[1] == Size)
    //   {
    //     uint8_t sum = 0;
    //     for (int i = 0; i < Size - 1; i++)
    //     {
    //       sum += receive[i];
    //     }
    //     if (sum == receive[Size - 1])
    //     {
    //       for (int i = 2; i < Size - 1; i += 2)
    //       {
    //         GPIO_PinState PinState = GPIO_PIN_SET;
    //         // HAL_GPIO_WritePin(LED_B_GPIO_Port,LED_B_Pin,GPIO_PIN_RESET);
    //         if (receive[i + 1] == 0xff)
    //         {
    //           PinState = GPIO_PIN_RESET;
    //         }
    //         if (receive[i] == 0x01)
    //         {
    //           HAL_GPIO_WritePin(GPIOE, GPIO_PIN_7, PinState);
    //         }
    //         else if (receive[i] == 0x02)
    //         {
    //           HAL_GPIO_WritePin(GPIOE, GPIO_PIN_8, PinState);
    //         }
    //         else if (receive[i] == 0x03)
    //         {
    //           HAL_GPIO_WritePin(GPIOE, GPIO_PIN_9, PinState);
    //         }
    //       }
    //     }
    //   }
    // }

    // HAL_UARTEx_ReceiveToIdle_DMA(&huart1, receive, sizeof(receive));
    // __HAL_DMA_DISABLE_IT(&hdma_usart1_rx,DMA_IT_HT);
  }
}
// void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
//{
//
//     HAL_UART_Transmit_DMA(&huart1,receive,2);
//
//     HAL_UART_Receive_DMA(&huart1,receive,2);
// }

/* USER CODE END 0 */

/**
 * @brief  The application entry point.
 * @retval int
 */
int main(void)
{

  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_DMA_Init();
  MX_USART1_UART_Init();
  /* USER CODE BEGIN 2 */
  // HAL_UART_Receive_DMA(&huart1,receive,2);
  HAL_UARTEx_ReceiveToIdle_IT(&huart1, readBuffer, sizeof(readBuffer));
  uint8_t command[50];
  int commandLength = 0;
  // HAL_UARTEx_ReceiveToIdle_DMA(&huart1, receive, sizeof(receive));
  //__HAL_DMA_DISABLE_IT(&hdma_usart1_rx,DMA_IT_HT);
  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    commandLength = Command_GetCommand(command);
    if (commandLength != 0)
    {
      HAL_UART_Transmit(&huart1, command, commandLength, HAL_MAX_DELAY);
      
      for (int i = 2; i < commandLength - 1; i += 2)
      {
        GPIO_PinState state = GPIO_PIN_SET;
        if (command[i + 1] == 0x01)
        {
          state = GPIO_PIN_RESET;
        }
        if (command[i] == 0x01)
        {
          HAL_GPIO_WritePin(GPIOE, GPIO_PIN_7, state);
        }
        else if (command[i] == 0x02)
        {
          HAL_GPIO_WritePin(GPIOE, GPIO_PIN_8, state);
        }
        else if (command[i] == 0x03)
        {
          HAL_GPIO_WritePin(GPIOE, GPIO_PIN_9, state);
        }
      }
    }
    HAL_Delay(10);
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
  }
  /* USER CODE END 3 */
}

/**
 * @brief System Clock Configuration
 * @retval None
 */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /** Configure the main internal regulator output voltage
   */
  if (HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1) != HAL_OK)
  {
    Error_Handler();
  }

  /** Initializes the RCC Oscillators according to the specified parameters
   * in the RCC_OscInitTypeDef structure.
   */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
  RCC_OscInitStruct.MSIState = RCC_MSI_ON;
  RCC_OscInitStruct.MSICalibrationValue = 0;
  RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
  RCC_OscInitStruct.PLL.PLLM = 1;
  RCC_OscInitStruct.PLL.PLLN = 40;
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV7;
  RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
  RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /** Initializes the CPU, AHB and APB buses clocks
   */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
  {
    Error_Handler();
  }
}

/* USER CODE BEGIN 4 */

/* USER CODE END 4 */

/**
 * @brief  This function is executed in case of error occurrence.
 * @retval None
 */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}
#ifdef USE_FULL_ASSERT
/**
 * @brief  Reports the name of the source file and the source line number
 *         where the assert_param error has occurred.
 * @param  file: pointer to the source file name
 * @param  line: assert_param error line source number
 * @retval None
 */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
